Synonyms of 'nay'
Copyright © 2016 by HarperCollins Publishers. All rights reserved.
He had actually felt pain several times, but he had ignored it.
You use indeed to confirm or agree with something that has just been said.
Later he admitted that the payments had indeed been made.
Thesaurus for nay from the Collins English Thesaurus
You use nay in front of a stronger word or phrase which you feel is more correct than the one you have just used and helps to emphasize the point you are making.